Downloading and Installing the Sony PC Companion:

  1. Visit Download for PC - Sony Smartphones (United States)
  2. Click "Download PC Companion"
  3. After the client is downloaded, open it and start the installation
  4. Follow the on-screen steps to finish the installation

Backing Up Data Using Your Computer:

  1. Connect the Xperia Z3 to your PC
  2. Launch the Sony PC Companion tool on the computer
  3. Underneath "Backup & Restore", click "Start". NOTE: if this is the first time using the feature, it may take a while to commence
  4. Click "Backup" and select the desired content
  5. Click "Next" and wait for the Sony PC Companion to retrieve the phone file system information
  6. Type in a name for the backup and click "Next"
  7. Wait for the process to end and click "OK"

Restoring Data from a Backup File on the PC:

  1. Connect the Xperia Z3 to your computer via USB
  2. Open the Companion tool
  3. Scroll to and click "Start" under "Backup & Restore"
  4. Select the backup file you wish to load and click "Restore"
  5. Mark the content you wish to restore and click "next"
  6. Wait for the Companion tool to retrieve phone file system info and click "next"
  7. The data will be restored on your device. If necessary, follow any additional on-screen prompts that may appear
  8. Click "OK" when done

Set Up Calendar / Contact Sync:

  1. Connect the Xperia Z3 to your PC and launch the Sony PC Companion
  2. Under "Sync Zone", click "Start". If this is the first time using SyncZone, it may take a while for the feature to start
  3. Click "Next"
  4. Select the content you wish to sync and click "Next"
  5. Enter your Google login information and click "Next"

Reload - Install the Device Software:

  1. Launch the PC Companion tool and connect the Z3 to your computer
  2. Scroll to and click "Start" under "Support Zone"
  3. Under "Phone / Tablet Software Update" click "Start"
  4. Click "repair my phone / tablet"
  5. Review the on-screen information and click "Next" > "Continue"
  6. Mark the check box and click "Next"
  7. Wait for the Companion tool to download and install the latest software available

Reload the Device Software if Password is Forgotten:

  1. Open the PC Companion tool. DO NOT connect the Xperia Z3 to your computer at this point
  2. In the Companion tool, click "Start" under "SupportZone"
  3. Underneath "Phone / Tablet Software Update", click "Start"
  4. Click "repair my phone / tablet"
  5. Select your device from the list. If it's missing, click "Another phone / tablet"
  6. Review the on-screen information, mark the check box and click "Next"
  7. Click "Continue"
  8. Wait for your PC to prepare the update. If prompted, select your smartphone from the list
  9. Follow the on-screen prompts. Connect your powered off smartphone to your PC while holding the "Volume down" button
  10. After the reload process starts, release the "Volume Down" button
  11. The tool should now download and install the latest available software. This process may take several minutes or more, depending on your internet connection speed and the amount of data being downloaded



See More: Sony Xperia Z3: Use the Sony PC Companion Tool to Back Up, Restore, Sync and Reload the OS